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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package com.oracle.svm.core.fieldvaluetransformer;

import org.graalvm.nativeimage.Platform;
import org.graalvm.nativeimage.Platforms;

import com.oracle.svm.core.util.VMError;

import jdk.vm.ci.meta.JavaConstant;

/**
 * Similar to {@link FieldValueTransformerWithAvailability}, except now also the value of the
 * receiver is taken into consideration when deciding whether a value is available or not. This
 * allows availability to be decided at a finer granularity (i.e. for a given field, only some
 * values may be available at a given moment). For static fields, the receiver is always null.
 */
@Platforms(Platform.HOSTED_ONLY.class)
public abstract class FieldValueTransformerWithReceiverBasedAvailability implements FieldValueTransformerWithAvailability {

    @Override
    public final boolean isAvailable() {
        throw VMError.intentionallyUnimplemented();
    }

    /**
     * Returns true when the value for this custom computation is available.
     */
    public abstract boolean isAvailable(JavaConstant receiver);
}
